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8843 (1990 OH)
Classification: Main-belt Asteroid          SPK-ID: 2008843
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3030651760352033 6.7668e-08  
a 2.657151981515718 1.5948e-08 au
q 1.851861748485368 1.7512e-07 au
i 13.26142406186497 8.1771e-06 deg
node 216.9548118135423 2.2384e-05 deg
peri 132.6991725940495 2.5358e-05 deg
M 340.2528752953176 1.3608e-05 deg
tp 2457687.280947620077
(2016-Oct-25.78094762)
6.0355e-05 JED
period 1582.060254869409
4.33
1.4243e-05
3.9e-08
d
yr
n .2275513836416529 2.0486e-09 deg/d
Q 3.462442214546069 2.0781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9401 days (25.74 yr)  
   first obs. used      1990-07-22  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59476  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:03:38  

Additional Information
 Earth MOID = .874164 au 
 Jupiter MOID = 2.12591 au 
 T_jup = 3.284 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a PDS3 (MPC 31909)  

8843 (1990 OH)          Discovered 1990-Jul-22 by Helin, E. F. at Palomar
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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